Shaft Coupling Clamps for Quick Shaft Locking

Fast and Secure Shaft Mounting

Fraser, MI –Fixtureworks, a leading supplier of workholding and fixturing technologies has augmented its clamp lineup with the addition of three versions of shaft coupling clamps - a standard version, heavy-duty version and a safety-lock shaft version. Shaft coupling clamps are commonly referred to as shaft mount fasteners. They securely join two shafts together, allowing for the transmittal of torque and rotation from one shaft to the other. They are designed to hold the shafts in a precise alignment while accommodating potential misalignment issues and preventing damage from shock or vibration.

The Fixtureworks shaft-coupling clamps (shaft-mount fasteners) identified as QCSJ, are designed to be mounted to a shaft for extended reach and to provide positive locking in quick change applications where there is frequent insertion and removal of a fixture. They allow for consistent fastening force, eliminating the chance for under or over tightening. The clamp comes in body diameter of 12 mm with 20 lb. of clamping force, at a weight of only 25g. They are designed to be used with QCSJ-S series cam receptacles. The receptacles are mounted to a fixturing base. As the shaft is inserted into the receptacle, the pins on the clamp align with the grooves in the receptacle. Rotating the fastener one-quarter-turn aligns and locks the clamp into place.

The heavy-duty version of the coupling clamps (QCSJS) also provides a more robust positive locking in quick change applications where there is frequent insertion and removal of a fixture. The body diameter is 22 mm and provides 90 lb. of clamping force. They are designed to be used with QCSJS-S and QCTHS-B receptacles.

The safety-lock shaft coupling clamp version, (QCSJLK) locks on to the receptacle by turning the shaft 90 degrees. A spring pin is used for locking the clamp onto the cam groove of the receptacle. On the safety lock clamp, the collar must be turned up and the shaft turned in the opposite direction for unclamping. They are available in body diameter of 18 mm. The body and receptacles for the safety-lock clamps are both made from 303 stainless steel.